Description
The Black Nasty Cichlid
The “black nasty” cichlid (Nandopsis haitiensis) is a striking and powerful species known for its deep black coloration and fierce personality. Native to the rivers and lakes of Hispaniola, this large cichlid can grow up to 30 cm, making it a dominant presence in any aquarium. Its aggressive temperament and territorial nature demand a spacious tank and careful planning, making it ideal for experienced aquarists seeking a bold, high-impact species. Beyond its striking appearance, the black nasty cichlid is admired for its intelligence and fascinating behaviours, especially during breeding when it exhibits strong parental instincts. Though challenging, it offers a rewarding experience for those who enjoy observing complex social dynamics and interactions in large, predatory fish. If you’re looking to add a show-stopping species to your collection that commands attention and respect, the black nasty cichlid is an exceptional choice.
Gender Inequalities
Sexual dimorphism in the black nasty cichlid (Nandopsis haitiensis) is evident, particularly as the fish mature. Males are typically larger, growing up to 15 inches, and are more robust in their body structure. They often display more prominent nuchal humps (the fleshy growth on the forehead) and elongated fins, especially the dorsal and anal fins, which end in pointed tips. The coloration of both sexes is primarily black, but males can sometimes show a darker, more intense hue and may exhibit a bluish or iridescent sheen, especially during breeding periods.
Tank Temperament and Compatible Tank Companions
The Nandopsis haitiensis, or black nasty cichlid, is notorious for its aggressive tank temperament, making it one of the more challenging species to house. It is highly territorial and can display extreme aggression toward other fish, particularly during breeding or when it feels its territory is threatened. Given its dominant nature, the black nasty cichlid is best suited for a species-only tank or in a community setup with similarly aggressive, large cichlids.
pH: 6-7
Temperature: 24°c
Size: approximately 35cm
